CVE-2025-36009 — Improper Validation of Specified Quantity in Input in IBM DB2

CWE-1284 — Improper Validation of Specified Quantity in InputCWE-1108 — Excessive Reliance on Global Variables6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 94.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
IBM DB2
Timeline
PublishedJan 30
Latest updateJan 31

Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDibm/db211.5.0 — 11.5.9+1

🔴Vulnerability Details

3
GHSA
GHSA-h944-mx2g-43vq: IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11↗2026-01-31
▶
CVEList
IBM Db2 Denial of Service↗2026-01-30
▶
OSV
CVE-2025-36009: IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use↗2026-01-30
▶

📋Vendor Advisories

1
Microsoft
ax25: Fix netdev refcount issue↗2024-05-14
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-36009 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶